This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A086604 #7 May 08 2017 10:24:52
%S A086604 0,1,22,174,896,3680,13152,42784,130048,375552,1041920,2799104,
%T A086604 7323648,18743296,47079424,116367360,283639808,682950656,1626734592,
%U A086604 3837657088,8975810560,20831010816,48005906432,109926416384,250248953856
%N A086604 2^(n-3)n(9n^2-9n+4).
%H A086604 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (8,-24,32,-16).
%F A086604 Inverse binomial transform of A086603. Binomial transform of A086605.
%F A086604 G.f.: x*(1+14*x+22*x^2) / (2*x-1)^4 . - _R. J. Mathar_, Nov 27 2014
%t A086604 LinearRecurrence[{8,-24,32,-16},{0,1,22,174},30] (* _Harvey P. Dale_, May 08 2017 *)
%K A086604 easy,nonn
%O A086604 0,3
%A A086604 _Paul Barry_, Jul 23 2003